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TI-2026-20375 Aliases CVE-2026-25227

authentik affected by Remote Code Execution via Context Key Injection in PropertyMapping Test Endpoint

Priority MEDIUM 43CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

authentik is an open-source identity provider. From 2021.3.1 to before 2025.8.6, 2025.10.4, and 2025.12.4, when using delegated permissions, a User that has the permission Can view * Property Mapping or Can view Expression Policy is able to execute arbitrary code within the authentik server container through the test endpoint, which is intended to preview how a property mapping/policy works. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00891 59th percentileScored 2026-11-07
Fix Fixed authentik (goauthentik): 2025.8.6, 2025.10.4, 2025.12.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
goauthentikauthentik2021.3.1 to before 2025.8.6; 2025.10.0-rc1 to before 2025.10.4; 2025.10.0-rc1 to before 2025.12.42025.8.6, 2025.10.4, 2025.12.4Patch availableCNA
  • authentik Vendorgoauthentik Affected 2021.3.1 to before 2025.8.6; 2025.10.0-rc1 to before 2025.10.4; 2025.10.0-rc1 to before 2025.12.4 Fixed in 2025.8.6, 2025.10.4, 2025.12.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*2021.3.1 to before 2025.8.6; 2025.10.0 to before 2025.10.4; 2025.12.0 to before 2025.12.4Vulnerablegoauthentik
  • cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:* Versions 2021.3.1 to before 2025.8.6; 2025.10.0 to before 2025.10.4; 2025.12.0 to before 2025.12.4 Vulnerable ·goauthentik

Remediation

  • Fix · CNA authentik (goauthentik) Fixed in 2025.8.6, 2025.10.4, 2025.12.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25227

References

  • TI-2026-36603 authentik: SourceStage bypass via empty POST CVSS 3.1CRITICAL 9.8
  • TI-2022-07608 authentik vulnerable to Improper Authentication via invitation URL token reuse CVSS 3.1CRITICAL 9.4
  • TI-2026-36598 authentik: `UserSourceConnection.user` and `GroupSourceConnection.group` are changeable through the API CVSS 3.1HIGH 8.8
  • TI-2022-22816 authentik allows existing authenticated users to create arbitrary accounts CVSS 3.1MEDIUM 6.4
  • TI-2024-25628 Insufficient access control for OAuth2 Device Code flow in authentik CVSS 3.1CRITICAL 9.8
  • TI-2023-24876 authentik potential installation takeover when default admin user is deleted CVSS 3.1CRITICAL 9.8
See all 32 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences